From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794236048; b=ySqieZoyFviPC90Ppz1d9kirTRdbNIfsd/LogUBx7tHu9ofj6zs5zl1OVQEO5rdHL8dt oD0pBAxkVZwDCI1IW2dgN5Q1jomMgNyoHiZnSU1JCoJ/4g4Eud4b0WtI6Z2SEKXSvJnjj UKkP9y4viOHw1HU7uwazF50KCYGb9rf/Z4KkzWBvZyytabvdHJXvdtmWWWl3yZcCZyIy6 Y1lnC0T5+fJwcr4vDOV2Xz1tmIyywnzxgVMa12JdxKPJpUP4gWNXRZHWOwL9/3++1N/v7 SKVbNq+nal8JSZAbZHfw3MnGNaXrtRPo5aRA/G07N7RD/ICGpwHooKp1q5cQs3zhJUQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794236048; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=/bCRk+9p2SqQHWZIi/vImrfsbF6tYr2mqV5/Ba7QIW4=; b=qBcOiB2nnfLP/2xGivsCl9dvoHivCNiVxU1ZWZi7jo//arRaoZ4lKh59gUElNNK1yB/Y 5sdtGuY/48AaY0obmrl/vFIK025lWzAJhPpJqDu57er3pIc7nOAkgk1ivnwdayAtKTm52 JdLfeyMl5NI/2kYdGiIW5z7TXx7nkjlwwCtGmFqJJAhxrFyy2qKjih0h6uQUNbOM1qOcq iIhT92QXMV/zmelWbXBp2MVRYne7VONglDpDlclSudQ4I414H3XkguzyhWzPRaO9jF+U6 a2lpUZ76Cq3ROoD94FfwSJvV2UMWgWHP7tN+T959uC8vMGkcNs/cLGAZg+8BVvOEAww== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lvNbxkIE; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4BF62606A322; Mon, 9 Nov 2026 14:54:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=lvNbxkIE Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4F9C1F0089F; Mon, 9 Nov 2026 14:54:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794236047; bh=/bCRk+9p2SqQHWZIi/vImrfsbF6tYr2mqV5/Ba7QIW4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lvNbxkIE2ZicME6IfBhSqN0ZJJONXcwid2eF3NVLcaJb0OPAJMsbORI3KpK3qsmrg Vzdie7/SMOKFUNDqJkugPHfcmHxzY+RcvzVLR7Trmod0vRFkg2KAuiUYaII1EiELTH DEjyx6Gwi52jro+pGLsGo3pXjFNPJb9Lqzy+w6zEnhHyOeXxWx53dKu6Q4+VlvLaBL Jkcg2PtMy8hHTimYWPAD7/wLEguOlAqJt33e8Mdi04m8vzvIn3s9yft60LyZnm5y1F RewkDCf+wFH1hHu21cu1pi8T0Lbdx6zvR94UsIjKnVYl0E5AAs2XWrJ6O57SyFJ2Hv oBd+erBTWQHAQ== Date: Mon, 9 Nov 2026 08:54:04 -0600 From: "Rob Herring (Arm)" To: Qianhui Xu Cc: lgirdwood@gmail.com, conor+dt@kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, broonie@kernel.org, krzk+dt@kernel.org, linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v9 1/2] regulator: dt-bindings: willsemi,wl2868c: add the WL2868C camera PMIC Message-ID: <179423604384.3146607.887205491604475162.robh@kernel.org> References: <20261106114252.988023-1-xiaqinghuan@mail.ustc.edu.cn> <20261107015014.22374-1-xiaqinghuan@mail.ustc.edu.cn> <20261107015014.22374-2-xiaqinghuan@mail.ustc.edu.cn> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261107015014.22374-2-xiaqinghuan@mail.ustc.edu.cn> On Sat, 07 Nov 2026 09:50:13 +0800, Qianhui Xu wrote: > The WL2868C is an I2C-controlled camera power management IC from Will > Semiconductor. It provides seven programmable LDOs: LDO1 and LDO2 are fed > from a shared VIN12 input and cover 0.496 V to 1.512 V, LDO3 and LDO4 share > VIN34, and LDO5 to LDO7 each have their own input, covering 1.504 V to > 3.544 V. All outputs are programmable in 8 mV steps and are gated by > per-output enable bits with a chip-wide SYS_EN master. The chip also > exposes an optional active-low RST_N input. > > VIN7 and VSYS are both inputs of the internal control logic, which is > powered from the higher of the two voltages, so a device tree has to > describe at least one of them. The remaining inputs only feed LDOs, so > they stay optional: an input can be left unconnected when the outputs it > feeds are unused on a given board. > > Signed-off-by: Qianhui Xu > --- > .../bindings/regulator/willsemi,wl2868c.yaml | 98 +++++++++++++++++++ > MAINTAINERS | 7 ++ > 2 files changed, 105 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/willsemi,wl2868c.yaml > Reviewed-by: Rob Herring (Arm)